Scott Baldridge, LSU

Symplectic manifolds with prescribed fundamental groups

Thursday February 2, 4:00PM, Herman Brown 227
In this talk I will describe the problem of minimizing χ+bσ on the class of all symplectic 4-manifolds with prescribed fundamental group (χ is the Euler characteristic, σ is the signature, and b is real), focusing on the important cases χ, χ+σ, and χ+3/2σ. I’ll describe recent attempts (with Paul Kirk) of building these “small” manifolds.